Textile-loom shuttle of the non-reciprocating type.



L. E. SALISBURY.

TEXTILE LOOM SHUTTLE OF THE NON-RfClPROCATlNG TYPE.

APPLICATION FILED APR. 30. 1915.

1,170,679. Patented Feb. 8, 1916.

. Salisbury THE COLUMBIA PLANOGRAPH co., WASHINGTON. D. c.

- arnir ornron LEVI'E. *sALIsBURY, or rnovinn'lvon, RHODE ISLAND.

' Specificatibn of ietteis Patent.

Patented m. a, rare.

Original application fi1er1 October 16, 1913, Serial No. 795,492. Divided and this application filed April 30, 191-5. Seria1No.24,912.

ToaZZ whom it may concern:

Be it known that I, 'LIWI E. SALISBURY, a citizen of theUnited States, residing at Providence, in the county of Providence and State of Rhode'Island, have invented certain new and useful Improvements in Textile-Loom Shuttles of the Non-Reciproeating Type, of which the following is a specification.

In a divisional pending application for patent filed by me in the United States Patent Otfice, I have described and claimed certain novel devices adapted for use in texttile looms of the automatic multiple-shuttle type; anexample of which loom was patented to moon the 10th day of February, 1903, No. 720,181.

The subject of the present application, which is divided from said pending application, relates more particularly to an improved construction of the shuttle of such automatic multiple-shuttle loom.

The essential object of the present device is to produce a comparatively short shuttle devised to receive a much greater length of infolded pick or weft-thread; it being borne in mind that the shuttle moves continuously in one direction, or non-reciprocatorily, and

is adapted to take in and deliver therefrom thread or yarn sufficient. for one pick only;

each shuttle ofthe series employed being newly charged automatically with a length ofjweft-yarn as it passes the shuttle-charging' station. I v

By means of the improvement the loom is enabled to use a greater number of weaving units WltllOUt lncreaslng the length of the shuttle-propelling chain, or even the length of the loom. itself, thereby correspondingly increasing the amount of output or fabric without increasing thenormal rate of speed, andobviously decreasing the cost of fabricproduction.

In the accompanying drawings illustratingmy improved shuttle, Figure 1 represents atop plan view, a portion of the upper plate broken away, showing the moving shuttle in the act of being normallycharged with weft-yarn; Fig. '2 is 'a similarplan View, showing the weft being normally withdrawn from the rear end of the traveling shuttle Fig. 3 represents :a transverse section, taken on the irregulariline 3 '3 Of ,Fig. 1; Fig. 4 is; a side' elevation partly 1n section, of "one of the"shuttle-fingers; Fig.

5 is a front side or edge view of the shuttle,

sented in my said Patent N o. 7 20,181 before referred to. Each shuttle is provided with main upper and lower fiat plates s 8 respectively, having guide-flanges s on the back edge thereof. .The upper plate 8 has a narrow, open longitudinal central slot 8 therethrough, arranged to freely receive singly the apertured outer ends 0 of a plurality of suitably actuated weft-positioning arms 0 through which the weft-yarn is drawn and infolded into the traveling shuttles in a manner analogous to that employed in my said patented loom. To the rear end of the shuttle is mounted a small revoluble wheel 8 adapted to frictionally engage a member (not shown) of the shuttle-propelling mechanism. To each of the outer longitudinal edges of the shuttle frame or'body is pivoted on pins n a row of uniformly spaced swinging light shuttle fingers N; the said pivots n of one row alternating with the pivots of the other or opposite row.

The shuttle-fingers or units are substantially duplicates of one another and are adapted to swing on the respective pivotpins alternately in a successive order from one side to the other in a horizontal plane. In order to prevent the shuttle-fingers from moving too freely, the heel portion of each member N may be provided on its upper .side or face with a recess-n in which is confined a light coil-spring n capped by a disk tending pins 70. Which-are fixed to the finger Land swingbodily with it; these pins n are causedlto engage the weft-yarn @12 at the two'pointsand fold it into two connected elongated loops, more fully described later. To the inner upper face of the base-plate 5* are secured two parallel longitudinal rows of upwardly extending, relatively station-- ary, uniformly spaced studs 8 each row being equi-distant transversely from the longitudinal center line g y of the shuttle, the studs 8 of one row alternating with those of the other row in a zig zag manner. As thus arranged, the longitudinal center line .2 of the respective shuttle-finger units passes through the centers of the pins a and a, a. l/Vhen the fingers are closed or folded the central line 2 of each finger will lie between a pair of the contiguous studs 8 and at right angles to the center line y-y of the shuttle itself. See Fig. 6. Fig. 1 represents the position of the fingers N, etc., at the commencement of charging the shuttle with the weft w, and Fig. 2 shows the continuously looped or infolded weft being withdrawn at the rear end of the shuttle from the fingers as the latter swing outward successively on their pivots a about 60.

In charging the shuttle with yarn 'w the two pins a, a, of each pivoted finger N co-- operate with a corresponding pair of the stationary studs 8 in the multiple-folding of the yarn; for example, referring to Fig. 1, the downwardly extending spaced outer pins a", a of the yarn-threaded finger N are carried by the latter in its arcuate movement from the normally open or empty position to the fully closed position shown, transversely of the shuttle. The finger in its initial movement causes the pair of pins 91*,

' vised, each finger-takes up or infolds prac- 41) thereof to swing past the two diagonal or staggered studs 8*, 8", whereby the yarn already bent around said pins 11) 1s caused to slidably engage the studs 8" and form the two enlongated double-loops m", the live end portion of the yarn being immediately engaged by the pins of the next alternate finger and studs to produce other double loops, and so on, successively, until the shuttle is fully charged with the weft. As thus detically four times its net length of weft. It may be stated that the-elements designated in Fig. 1, N*, 12), and s", are the same as the corresponding members indicated by N, a, and 8 respectively.

In actual operation under normal conditions the pick or weft-charged shuttle is supposed to be moving horizontally between the upper and lower sections of shedded warps, the rear end of the length of weftyarn being in the initial warp-section before the weft is severed from its spool or supply; the drag or retarding tension effect upon the weft of the traveling shuttle at the same time causing the weft to be withdrawn or unfolded from the swinging fingers without entanglement, and to lie substantially true and straight while it is being progressively beaten up into the web. Means for laying the weft between the warps are not represented, since they are not claimed in this application. Mechanism of this general character is, however, illustrated in my said Patent No. 720,181, to which reference can be made if desired. I 1 7 By means of my improvement the traveling shuttle is adapted to beaccurately selfthreaded or charged with the yarn by the successive action of the pivoted fingers N in cooperation with' the relatively stationary studs 8 the construction also permits the yarn to render freely while it is being withdrawn from the shuttle. It will be observed that it is practically impossible for the yarn to become fouled or entangled while the shuttle is being charged, or even while the yarn is being drawn from it. The forward finger of the series is or may be provided with a short pin 8 extending through a curved slot 8 of the upper plate 8 of the shuttle; the said pin 8 being adapted to engage and actuate a member of a suitable weft stop-motion device in case the shuttle has failed to properly deliver its weft into he web. A device of this character was patented to me April 19, 1910, No. 955,212.

I claim as my invention 1. In a shuttle of the general character ing finger members inclosed in the shuttle and pivoted respectively in front and back edge rows of the frame, the fingers of one row alternating with the fingers of the other row, and having the outer or free end portions of the fingers adapted to swing freely across the upper ends of the corresponding studs, substantially as described. 1

2. In a shuttle of the type described, having a hollow frame or body provided interiorly with a row of fixed studs 8 arranged in a staggered or zigzag manner with rela tion to the longitudinal center line of the shuttle, a row of yarn-infolding fingers N pivoted in one edge of the shuttle, a row of similar fingers pivoted in the opposite edge, the fingers of one row alternating with those of the other row, and having the arm portion of each of said fingers provided with one or more downwardly extending pins 01 arranged with respect to the said studs, for the purpose set forth. 7

3. In a shuttle of the character described, the combination of a hollow body or frame, a plurality of fingers adapted to infold a the pins n of a finger are adapted to cooperate with certain of the fixed studs and infold a length of yarn exceeding the net length of the finger member a plural or 15 multiple-fold.

In testimony whereof I have aflixed my signature in presence of two witnesses.

LEVI E. SALISBURY. Witnesses:

CHARLES C. REMINGTON, GEO. H. REMINGTON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

